On the parisc platform I noticed the UBSAN warning below. Maybe nr_divisor isn't correctly initialized ? Helge
[ 18.555455] sym0: <896> rev 0x7 at pci 0000:00:0f.0 irq 68 [ 18.625415] ================================================================================ [ 18.726489] UBSAN: Undefined behaviour in ./drivers/scsi/sym53c8xx_2/sym_hipd.c:762:24 [ 18.864911] index -1903078336 is out of range for type 'u32 [7]' [ 18.936779] CPU: 0 PID: 1 Comm: swapper Not tainted 4.13.0-rc3-32bit+ #427 [ 19.019138] Backtrace: [ 19.047353] [<10191eb4>] show_stack+0x3c/0x50 [ 19.100577] [<10ce82fc>] dump_stack+0x28/0x38 [ 19.153826] [<10771b3c>] ubsan_epilogue+0x1c/0x60 [ 19.211229] [<107722ec>] __ubsan_handle_out_of_bounds+0x68/0x80 [ 19.283194] [<10924074>] sym_hcb_attach+0xc2c/0x3204 [ 19.343724] [<107aaa38>] sba_dma_supported+0x4c/0x208 [ 19.405291] [<10911984>] sym2_probe+0xd64/0x122c [ 19.461661] [<10501c64>] kernfs_add_one+0x328/0x354 [ 19.521134] [ 19.538916] ================================================================================ [ 19.640086] sym0: PA-RISC Firmware, ID 7, Fast-40, SE, parity checking [ 19.725169] sym0: SCSI BUS has been reset. [ 19.774192] sym0: SCSI BUS mode change from SE to SE. [ 19.837034] sym0: SCSI BUS has been reset. [ 19.886092] scsi host0: sym-2.2.3 [ 25.154088] sym1: <896> rev 0x7 at pci 0000:00:0f.1 irq 68 [ 25.222639] sym1: PA-RISC Firmware, ID 7, Fast-40, LVD, parity checking [ 25.308775] sym1: SCSI BUS has been reset. [ 25.357840] scsi host1: sym-2.2.3
